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  1. // -*- C++ -*-
  2.  
  3. // Copyright (C) 2005-2015 Free Software Foundation, Inc.
  4. //
  5. // This file is part of the GNU ISO C++ Library.  This library is free
  6. // software; you can redistribute it and/or modify it under the terms
  7. // of the GNU General Public License as published by the Free Software
  8. // Foundation; either version 3, or (at your option) any later
  9. // version.
  10.  
  11. // This library is distributed in the hope that it will be useful, but
  12. // WITHOUT ANY WARRANTY; without even the implied warranty of
  13. // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14. // General Public License for more details.
  15.  
  16. // Under Section 7 of GPL version 3, you are granted additional
  17. // permissions described in the GCC Runtime Library Exception, version
  18. // 3.1, as published by the Free Software Foundation.
  19.  
  20. // You should have received a copy of the GNU General Public License and
  21. // a copy of the GCC Runtime Library Exception along with this program;
  22. // see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
  23. // <http://www.gnu.org/licenses/>.
  24.  
  25. // Copyright (C) 2004 Ami Tavory and Vladimir Dreizin, IBM-HRL.
  26.  
  27. // Permission to use, copy, modify, sell, and distribute this software
  28. // is hereby granted without fee, provided that the above copyright
  29. // notice appears in all copies, and that both that copyright notice
  30. // and this permission notice appear in supporting documentation. None
  31. // of the above authors, nor IBM Haifa Research Laboratories, make any
  32. // representation about the suitability of this software for any
  33. // purpose. It is provided "as is" without express or implied
  34. // warranty.
  35.  
  36. /**
  37.  * @file list_update_map_/find_fn_imps.hpp
  38.  * Contains implementations of lu_map_.
  39.  */
  40.  
  41. PB_DS_CLASS_T_DEC
  42. inline typename PB_DS_CLASS_C_DEC::entry_pointer
  43. PB_DS_CLASS_C_DEC::
  44. find_imp(key_const_reference r_key) const
  45. {
  46.   if (m_p_l == 0)
  47.     return 0;
  48.   if (s_eq_fn(r_key, PB_DS_V2F(m_p_l->m_value)))
  49.     {
  50.       apply_update(m_p_l, s_metadata_type_indicator);
  51.       PB_DS_CHECK_KEY_EXISTS(r_key)
  52.       return m_p_l;
  53.     }
  54.  
  55.   entry_pointer p_l = m_p_l;
  56.   while (p_l->m_p_next != 0)
  57.     {
  58.       entry_pointer p_next = p_l->m_p_next;
  59.       if (s_eq_fn(r_key, PB_DS_V2F(p_next->m_value)))
  60.         {
  61.           if (apply_update(p_next, s_metadata_type_indicator))
  62.             {
  63.               p_l->m_p_next = p_next->m_p_next;
  64.               p_next->m_p_next = m_p_l;
  65.               m_p_l = p_next;
  66.               return m_p_l;
  67.             }
  68.           return p_next;
  69.         }
  70.       else
  71.         p_l = p_next;
  72.     }
  73.  
  74.   PB_DS_CHECK_KEY_DOES_NOT_EXIST(r_key)
  75.   return 0;
  76. }
  77.  
  78. PB_DS_CLASS_T_DEC
  79. template<typename Metadata>
  80. inline bool
  81. PB_DS_CLASS_C_DEC::
  82. apply_update(entry_pointer p_l, type_to_type<Metadata>)
  83. { return s_update_policy(p_l->m_update_metadata); }
  84.  
  85. PB_DS_CLASS_T_DEC
  86. inline bool
  87. PB_DS_CLASS_C_DEC::
  88. apply_update(entry_pointer, type_to_type<null_type>)
  89. { return s_update_policy(s_null_type); }
  90.  
  91.